Single-file version of online code editor aceditor

* Single-file online code editor editor.php version: v1.21
* It is very convenient to edit any text file on your website online. It is very useful for maintaining the website and writing code online
* Password encryption method:
* md5 (self-set password + $ace) //$ace is the cdn mirror address
*
* Instructions for use:
* 1. Confirm that the $pwd variable value is false, upload this file to the PHP space and access it
* 2. First You are prompted to set a password for each visit, set the password and remember it
* 3. After logging in with the password you set for the first time, this php file will be edited by default,
* 4. This file is the core file of the editor, please do not modify it at will
* 5. Please use the Ctrl + S key combination to save the edited file and wait for the execution result
* 6. After the save action is executed, please be sure to wait for the successful save message to return
* 7. The reset operation will modify the file name of this program to prevent others Guess the path
* 8. The refresh function only refreshes this program file and cannot refresh other
*
* It is recommended to use this editor in the chrome browser

See the project details
http://git.oschina.net/ymk18/aceditor

/**
 * Single-file online code editor editor.php Version: v1.21
 *
 * Password encryption method:
 * md5 (self-set password + $ace) //$ace is the cdn mirror address
 *
 * How to use :
 * 1. Confirm that the $pwd variable value is false, upload this file to the PHP space and access it
 * 2. You will be prompted to set a password for the first time, set the password and remember it
 * 3. After logging in with the password you set for the first time , this php file is edited by default,
 * 4. This file is the core file of the editor, please do not modify it at will
 * 5. Please use the Ctrl + S key combination to save the edited file and wait for the execution result
 * 6. Save the action After execution, please be sure to wait for the successful save message to return
 * 7. The reset operation will modify the file name of this program to prevent others from guessing the path
 * 8. The refresh function only refreshes this program file and cannot refresh other ones
 *
 * Suggestions Use this editor in chrome browser
*/
session_start();
$curr_file = __FILE__; //Edit the current file by default
$curr_file_path = str_replace(dirname(__FILE__), '', __FILE__) ;
$pwd = false; //The default value of password initialization is false
$ace = 'http://cdn.staticfile.org/ace/1.1.3/ace.js'; //Editor core js
$tip ['core'] = 'http://cdn.staticfile.org/alertify.js/0.3.11/alertify.core.min.css';
$tip['css'] = 'http://cdn. staticfile.org/alertify.js/0.3.11/alertify.default.min.css';
$tip['js'] = 'http://cdn.staticfile.org/alertify.js/0.3.11/alertify .min.js';
$jquery = 'http://cdn.staticfile.org/jquery/2.1.1-rc2/jquery.min.js';

if ( false !== $pwd ) {
 define ('DEFAULT_PWD', $pwd);
}

//The syntax parser corresponding to the file extension name
$lng = array(
 'as' => 'actionscript', 'js' => 'javascript',
 'php' => 'php', 'css' => 'css', 'html' => 'html',
 'htm' => 'html', 'ini' => 'ini ', 'json' => 'json',
 'jsp' => 'jsp', 'txt' => 'text', 'sql' => 'mysql',
 'xml' => 'xml', 'yaml' => 'yaml', 'py' => 'python',
 'md' => 'markdown', 'htaccess' => 'apache_conf',
 'bat' = > 'batchfile', 'go' => 'golang',
);

//Determine whether the user is logged in
function is_logged() {
 $flag = false;
 if ( isset($_SESSION['pwd' ]) && defined('DEFAULT_PWD') ) {
 if ( $_SESSION['pwd'] === DEFAULT_PWD ) {
 $flag = true;
 }
 }
 return $flag;
}

//Reload Enter this page
function reload() {
 $file = pathinfo(__FILE__, PATHINFO_BASENAME);
 die(header("Location: {$file}"));
}

//Determine whether the request is an ajax request
 function is_ajax() {
 $flag = false;
 if ( isset($_SERVER['HTTP_X_REQUESTED_WITH']) ) {
 $flag = strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) === 'xmlhttprequest';
 }
 return $flag;
}

//Destroy SESSION and COOKIE
function exterminate() {
 $_SESSION = array();
 foreach ( $_COOKIE as $key ) {
 setcookie($key, null);
 }
 session_destroy();
 $_COOKIE = array();
 return true;
}

//Get a list of files in a directory
function list_dir($path, $type = 'array') {
 $flag = false;
 $lst = array('dir'=>array(), 'file'=>array());
 $base = !is_dir($path) ? dirname($path) : $path;
 $tmp = scandir($base);
 foreach ( $tmp as $k=>$v ) {
 //Filter out the superior directory, this level directory and the program’s own file name
 if ( !in_array($v, array(' .', '..')) ) {
 $file = $full_path = rtrim($base, '/').DIRECTORY_SEPARATOR.$v;
 if ( $full_path == __FILE__ ) {
 continue; // Shield itself The file does not appear in the list
 }
 $file = str_replace(dirname(__FILE__), '', $file);
 $file = str_replace("\", '/', $file); //Filter the path under win
 $file = str_replace('//', '/', $file); //Filter double slashes
 if ( is_dir($full_path) ) {
 if ( 'html' === $type ) {
 $v = '
'.$v.' }
 array_push($lst['dir'], $v);
 } else {
 if ( 'html' === $type ) {
 $v = '
'.$v.'
 }
 array_push($lst[ 'file'], $v);
 }
 }
 }
 $lst = array_merge($lst['dir'], $lst['file']);
 $lst = array_filter($lst);
 $ flag = $lst;
 if ( 'html' === $type ) {
 $flag = ''. implode('', $lst) .'';
 }
 return $flag;
}

//Recursively delete a non-empty directory
function deldir($dir) {
 $dh = opendir($dir);
 while ( $file = readdir($dh) ) {
 if ( $file != '. ' && $file != '..' ) {
 $fullpath = $dir.'/'.$file;
 if ( !is_dir($fullpath) ) {
 unlink($fullpath);
 } else {
 deldir ($fullpath);
 }
 }
 }
 return rmdir($dir);
}

//Log out
if ( isset($_GET['logout']) ) {
 if ( exterminate() ) {
 reload();
 }
}

//ajax output file content
if ( is_logged() && is_ajax() && isset($_POST['file']) ) {
 $file = dirname(__FILE__).$ _POST['file'];
 $ext = pathinfo($file, PATHINFO_EXTENSION);
 $mode = isset($lng[$ext]) ? $lng[$ext] : false;
 die(json_encode(array(
 'file' => $file, 'html' => file_get_contents($file),
 'mode' => $mode,
 )));
}

//ajax output directory list
if ( is_logged () && is_ajax() && isset($_POST['dir']) ) {
 $dir = dirname(__FILE__).$_POST['dir'];
 $list_dir = list_dir($dir, 'html');
 die(json_encode(array(
 'dir' => $dir, 'html' => $list_dir,
 )));
}

//ajax save file
if ( is_logged() && is_ajax() && isset($_POST['action']) ) {
 $arr = array('result'=>'error', 'msg'=>'File saving failed! ');
 $content = $_POST['content'];
 if ( 'save_file' === $_POST['action'] ) {
 if ( isset($_POST['file_path']) ) {
 $ file = dirname(__FILE__).$_POST['file_path'];
 } else {
 $file = __FILE__;
 }
 file_put_contents($file, $content);
 $arr['result'] = 'success';
 $arr['msg'] = 'Save successfully! ';
 }
 die(json_encode($arr));
}

//ajax delete file or folder
if ( is_logged() && is_ajax() && isset($_POST['del']) ) {
 $path = dirname(__FILE__).$_POST['del'];
 $arr = array('result'=>'error', 'msg'=>'Delete operation failed!');
 if ( $ _POST['del'] && $path ) {
 $flag = is_dir($path) ? deldir($path) : unlink($path);
 if ( $flag ) {
 $arr['msg'] = ' The deletion operation was successful! ';
 $arr['result'] = 'success';
 }
 }
 die(json_encode($arr));
}

//ajax creates a new file or folder
if ( is_logged() && is_ajax( ) && isset($_POST['create']) ) {
 $flag = false;
 $arr = array('result'=>'error', 'msg'=>'Operation failed!');
 if ( isset($_POST['target']) ) {
 $target = dirname(__FILE__).$_POST['target'];
 $target = is_dir($target) ? $target : dirname($target);
 }
 if ( $_POST['create'] && $target ) {
 $base_name = pathinfo($_POST['create'], PATHINFO_BASENAME);
 $exp = explode('.', $base_name);
 $ full_path = $target.'/'.$base_name;
 $new_path = str_replace(dirname(__FILE__), '', $full_path);
 if ( count($exp) > 1 && isset($lng[array_pop($ exp)]) ) {
 file_put_contents($full_path, '');
 $arr['result'] = 'success';
 $arr['msg'] = 'New file successfully! ';
 $arr['type'] = 'file';
 } else {
 mkdir($full_path, 0777, true);
 $arr['result'] = 'success';
 $arr['msg' ] = 'Create new directory successfully! ';
 $arr['type'] = 'dir';
 }
 if ( $base_name && $new_path ) {
 $arr['new_name'] = $base_name;
 $arr['new_path'] = $new_path ;
 }
 }
 die(json_encode($arr));
}

//ajax rename file or folder
if ( is_logged() && is_ajax() && isset($_POST['rename']) ) {
 $arr = array('result'=>'error', 'msg'=>'Rename operation failed!');
 if ( isset($_POST['target']) ) {
 $target = dirname(__FILE__).$_POST['target'];
 }
 if ( $_POST['rename'] ) {
 $base_name = pathinfo($_POST['rename'], PATHINFO_BASENAME);
 if ( $base_name ) {
 $rename = dirname($target).'/'.$base_name;
 $new_path = str_replace(dirname(__FILE__), '', $rename);
 }
 }
 if ( $rename && $target && rename($target, $rename) ) {
 $arr['new_name'] = $base_name;
 $arr['new_path'] = $new_path;
 $arr['msg'] = 'Rename operation successful!';
	   $arr['result'] = 'success';
	}
	if ( $target == __FILE__ ) {
	    $arr['redirect'] = $new_path;
	}
	die(json_encode($arr));
}

//获取代码文件内容
$code = file_get_contents($curr_file);
$tree = '
	ROOT'.list_dir($curr_file, 'html').'
';

//登陆和设置密码共用模版
$first = <<

【标题】







		【动作】






HTMLSTR;

//判断是否第一次登录
if ( false === $pwd && empty($_POST) ) {
	die(str_replace(
		array('【标题】', '【动作】'),
		array('第一次使用，请先设置密码！', 'Settings'),
 $first
 ));
}

//Set the login password for the first time
if ( false === $pwd && !empty($_POST) ) {
 if ( isset($ _POST['pwd']) && strlen($_POST['pwd']) ) {
 $pwd = $_SESSION['pwd'] = md5($_POST['pwd'].$ace);
 $code = preg_replace('#$pwd = false;#', '$pwd = "'.$pwd.'";', $code, 1);
 file_put_contents($curr_file, $code);
 } else {
 reload( );
 }
}

//User login verification
if ( false !== $pwd && !empty($_POST) ) {
 $tmp = md5($_POST['pwd'].$ace);
 if ( $tmp && $pwd && $tmp === $pwd ) {
 $_SESSION['pwd'] = $pwd;
 reload();
 }
}

//Process the html entity
$code = htmlspecialchars($code);

$dir_icon = str_replace(array("rn", "r", "n"), '',
'data:image/jpg;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAANCAYAAACgu+4kAAAAGXRFWHRTb2Z0d2
FyZQBBZG9iZSBJbWF nZVJlYWR5ccllPAAAAQVJREFUeNqkkk1uwjAQhd84bsNP1FUXLCtu0H3XPSoX4Qrd9wR
sCjQEcIY3DiiJUYiqRhp5Mra/92YSUVVgLSW49B7H +NApRh75XkHfFoCG+02tyflUeQTw2y9UYYP8cCStc9SM
PeVA/Sy6Dw555q3au1z+EhBYk1cgO7OSNdaFNT0x5sCkYDha0WPiHZgVqPzLO+8seai6E2jed42bCL06tNyEH
AX9kv3 jh3HqH7BctFWLMOmAbcg05mHK5+sQpd1HYijN47zcDUCShGEHtzxtwQS9WTcAQmJROrJDLXQB9s1Tu6
MtRED4bwsHLnUzxEeKac3+GeP6eo8yevhjC3F1qC4CDAAl3HwuyNAIdwAAAABJRU5ErkJg gg==');

$file_icon = str_replace(array("rn", "r", "n"), '',
'data:image/jpg;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAAQCAYAAADJViUEAAAAGXRFWHRTb2Z0d2
FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAS1JREFUeNqMU01KxkAMTaez7aYbNwreQdBzeopS6EXEW+ju g7Z
C6X+/iUloSr6xioFHJkPee5mUJgBwT7gjpPB3XAgfiBjs5dOyLF/btl0pkEFngdbzPGNRFK/U+0hwJAAMjmcm
DsOA4zge6Pseu67DpmlEqK5rLMvyRkDJor6uq2SGktu2Ffdp mpANqqoSASYnO/kthABJkoCOxCASkCBkWSYuQ
qCeNE1fqHz3fMkXzjnJ2sRinL33QBNIzWJ5n h/L8npQohVTJwYTyfFm/d6Oo2HGE8ffwseuZ1PEjhrOutmsRF
0iC8QmPibEtT4hftrhHI95Jq JT/HC2JOt0to+zN6MVsZ/oZKqwmyCTA33DkbN1sws0i+Pega6v0kd42H9JB/8
LJl5I6PNbgAEAa9MP7QWoNLoAAAAASUVORK5CYII= ');

$loading = str_replace(array("rn", "r", "n"), '',
'data:image/gif;base64,R0lGODlhFAAUALMIAPh2AP+TMsZiALLlcAKNOAOp4ANVqAP+PFv///wAAAAAAAAA
AAAAAAAAAAAAAAAAAACH/ C05FVFNDQVBFMI4WAWEAAAh+ CAS7VQWWITWYUUUJB4S2AXMWXG
G9BL6YQTL0CAACH5BAUKAAGAAGAALAEAQASAAAAAAROEMKPX6A4W5UPENUMEQT2FILTMJYIVBVHNZ3Z1H4FMQI
DODZ+CL7ND EN5CH8DGZHCLTCMBEOXKQLXKVIGAAIBBK9YLBYVLTH5K0J0IACH5BAUKAGAL AEAAQASABIAAAAAAA4W5upMDQP2FILTMJYIVBVHNZ3V1R4BNBIDO DZ+CL7NDEN5CH8DGZAMAMBEOXKQLXKVIG4
Hibbk9ylbyVlth5k0J0IACH5Baukaagalaeaaaaaaaaaaaaaaaemkpjae4W5TPKQL2fefiltMJYVHNZ
3
3
3
3
3
3 R0A4NMWIDODODZ+CL7NDEN5CH8DGZH8ONQMBEOXKQLXKVIGIGIGIBBK9YLBYVLTHH5K0J0IACH5BAUKAAGAAAAAAAAAAAAAAAAAROEMKPS6E4W5SPANUMGQB2FEFILTMJY IVBVHNZ3D1X4JMGIDODZ+CL7NDEN5CH8DGZGCBTMBEOX
kqlxkviggeibbk9ylbyVLTH5K0J0IACH5Baukaagalaeaaaaaaaaaaaaa4W5VPODUMFQX 2Fefiltmijyivbvhnz3V0Q4JNHIDODZ+CL7nden5CH8DGZBMJNIMBEOXKQLXKVIGYDIBBK9YLBYHVLTH5K0J0IAGAAGAAGAAAAAAAAAAAAAAAAAAAAAAAAAROEMKPZ6E4E4 W5TPCNUMAQD2FEFILTMJYIVBVHNZ3R1B4FNRIDODZ+Cl7NDEN5CH8DGZGZHNYMBEOXKQLXKQCIGQCIGQCIGQCIBYVLTH5K0J0KKKAAQAQASABIAAA AROEMKPQ6A4W5SPIDUMHQ
F2FEFILTMJYIVBVHNZ3D0W4BMAIDODZ+CL7NDEN5CH8DGZASGTUMKQLXKVIGIBK9ylby5k0J0J0
iads = ');

//// /Editor template
$html = <<

ACE code Editor






    保存
	刷新
	重置
    退出

Copy code